Energy efficiency

Energy efficiency

Industry: Energy

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Energy efficiency

wall

Energy; Energy efficiency

A vertical structural element that holds up a roof, encloses part or all of a room, or stands by itself to hold back soil.

dual fuel vehicle

Energy; Energy efficiency

A vehicle with an engine capable of operating on two different types of fuels.

tempering valve

Energy; Energy efficiency

A valve used to mix heated water with cold in a heating system to provide a desired water temperature for end use.

mixing valve

Energy; Energy efficiency

A valve operated by a thermostat that can be installed in solar water heating systems to mix cold water with water from the collector loop to maintain a safe water temperature.

cooling degree day

Energy; Energy efficiency

A value used to estimate interior air cooling requirements (load) calculated as the number of degrees per day (over a specified period) that the daily average temperature is above 65 degrees ...

coefficient of heat transmission (U-value)

Energy; Energy efficiency

A value that describes the ability of a material to conduct heat. The number of Btu that flow through 1 square foot of material, in one hour. It is the reciprocal of the R-Value (U-Value = ...

A unit used to rate the performance of a solar photovoltaic (PV) cells, modules, or arrays; the maximum nominal output of a PV device, in Watts (Wp) under standardized test conditions, usually 1000 ...